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• If the reading is out of range, the full-scale value (100.0 for Mtc/Atc
mode or 400.0 for uncompensated TDS) will be displayed blinking.
• If LOCK was pressed to freeze the LCD range and the reading goes out of
range, the full-scale value of the frozen range will be displayed blinking.
NaCl MEASUREMENTS
Press the RANGE keys while in EC range until NaCl is displayed on the
LCD. The instrument will display the NaCl reading on the primary LCD
and the temperature reading on the secondary LCD line.
• If the reading is out of range, the full-scale value (400.0%) will be
displayed blinking.
AUTO-RANGING
The EC and TDS scales are auto-ranging. The meter automatically sets
the scale with the highest possible resolution.
By pressing ALT&LOCK, the auto-ranging feature is disabled and the
current range is frozen on the LCD. The “LOCK” tag will be displayed on
the LCD.
Note: Auto-ranging is automatically restored if the range is changed, if
the setup or calibration modes are entered and if the meter is
turned off and back on again.
When auto-ranging is disabled and the reading goes out of range,
the full-scale value of the frozen range will be displayed blinking.
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